TDA9874H |
RFQ for TDA9874H Required Field |
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| Product | Manufacturers | Pack | D/C |
| TDA9874H | - | QFP-44P | - |
The TDA9874H is a single-chip Digital TV Sound Demodulator/Decoder (DTVSD1) for analog and digital multi-channel sound systems in TV/VCR sets and satellite receivers.
Features |
| SIF input switch e.g. to select between terrestrial TV SIF and SAT SIF sourcesSIF AGC with 21dB control rangeSIF 8-bit Analog-to-Digital Converter (ADC)DQPSK demodulation for different standards,simultaneously with 1-channel FM demodulationNICAM decoding (B/G, I and Lstandard)Two-carrier multi-standard FM demodulationB/G, D/K and Mstandard)Decoding for three analog multi-channel systemsA2, A2+ and A2*) and satellite soundAdaptive de-emphasis for satelliteProgrammable identification (B/G, D/K and Mstandard)and different identification timesOptional AM demodulation for systemL, simultaneously with NICAMMonitor selection for FM/AM demodulator outputs andFM and NICAM signalsDigital crossbar switchI2S serial audio output with matrix, level adjust and muteDual audio Digital-to-Analog Converter (DAC) fromdigital crossbar switch to analog crossbar switch,bandwidth 15kHzAnalog crossbar switch with inputs for mono and stereoOutput selection of mono, stereo, dual, dual A or dual B20kHz bandwidth for analog path Standby mode. |
| SYMBO | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
| VDD | DC supply voltage | -0.5 | +6.5 | V | |
| VDD | voltage differences between two V pins DD |
- | 550 | mV | |
| IIK | DC input clamp diode current | Vi < -0.5V or Vi >V +0.5VDD |
- | ±10 | mA |
| IOK | DC output clamp diode current output type 4mA | Vo< -0.5V or V o>V +0.5VDD |
- | ±20 | mA |
| Io | DC output source or sink current output type 4mA | -0.5V<V <V +0.5V | - | ±20 | mA |
| IDDD ISSD |
DC V or V current per digital supply pin DDD SSD |
- | 62 | mA | |
| IDDA , ISSA |
DC V or V current per analog supply pin DDA SSA |
- | 28 | mA | |
| Ilu(prot) | latch-up protection current | 100 | - | mA | |
| P | power dissipation per output | - | 100 |
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